129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* lm_parser.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: mndhlovu <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/03/25 06:30:51 by mndhlovu #+# #+# */
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/* Updated: 2019/03/25 06:30:57 by mndhlovu ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "lem_in.h"
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static void lm_locate_cmd(int count, char *raw, t_syntax *synt)
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{
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char *tmp;
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tmp = ft_strchr(raw, '#');
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if ((!synt->s_cmd || !synt->e_cmd) && (tmp != NULL && raw[1] == '#'))
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{
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if (!synt->s_cmd)
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{
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if (ft_strcmp(tmp, "##start"))
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{
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synt->s_cmd = 1;
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synt->e_pos = count;
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}
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}
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if (!synt->e_cmd)
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{
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if (ft_strcmp(tmp, "##end"))
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{
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synt->e_cmd = 1;
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synt->s_pos = count;
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}
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}
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}
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}
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static int lm_get_vertices(int count, char *raw, t_syntax *synt,
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t_lmdata *data, t_holder *holder)
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{
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int index;
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char *tmp;
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char *tmp2;
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int value;
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index = 0;
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value = 0;
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if (synt->s_cmd > 0 && (synt->e_pos == count - 1))
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{
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synt->s_vert = count;
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return (lm_add_vertex(data, raw, 'e', synt));
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}
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if (synt->e_cmd > 0 && (synt->s_pos == count - 1))
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{
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synt->e_vert = count;
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return (lm_add_vertex(data, raw, 's', synt));
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}
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if (count > 0 && (count != synt->s_vert && count != synt->e_vert)
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&& (count != synt->s_pos && count != synt->e_pos))
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{
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tmp = ft_strchr(raw, '-');
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tmp2 = ft_strchr(raw, '#');
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if (tmp == NULL && tmp2 == NULL)
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return (lm_add_vertex(data, raw, 'v', synt));
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else if (tmp2 == NULL && tmp != NULL)
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return (lm_ext_conn(holder, data, raw));
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}
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return (1);
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}
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static void lm_get_ant_num(int count, char *raw, t_lmdata *ldata, t_syntax *synt)
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{
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int index;
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int value;
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index = 0;
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if (count == 0)
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{
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if (!ft_isdigit(raw[index + 1]))
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{
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value = raw[index] - '0';
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ldata->nbants = (value > 0) ? value : 0;
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synt->nb_state = 1;
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}
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if (ft_isdigit(raw[index + 1]))
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{
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ldata->nbants = (ft_atoi(raw) > 0) ? ft_atoi(raw) : 0;
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synt->nb_state = 1;
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}
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}
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}
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int lm_validate(t_syntax *synt, t_lmdata *lmdata)
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{
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if (!synt->nb_state || !synt->s_cmd || !synt->e_cmd || synt->error)
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return (0);
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if (lmdata->nbants == 0 || lmdata->nb_nodes == 0)
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return (0);
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return (1);
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}
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void lm_parser(int fd, t_syntax *synt, t_lmdata *ldata,
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t_holder *tmp_data)
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{
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char *raw;
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int ret;
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int index;
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index = 0;
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while ((ret = get_next_line(fd, &raw)))
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{
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if (ret == -1)
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{
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synt->error = 1;
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return ;
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}
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lm_get_ant_num(index, raw, ldata, synt);
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lm_locate_cmd(index, raw, synt);
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if (!lm_get_vertices(index, raw, synt, ldata, tmp_data))
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{
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synt->error = 1;
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return ;
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}
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index++;
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}
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} |